222 lines
7.4 KiB
C
222 lines
7.4 KiB
C
/* SH ELF support for BFD.
|
|
Copyright 1998, 2000, 2001, 2002 Free Software Foundation, Inc.
|
|
|
|
This file is part of BFD, the Binary File Descriptor library.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software Foundation,
|
|
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
|
|
|
#ifndef _ELF_SH_H
|
|
#define _ELF_SH_H
|
|
|
|
/* Processor specific flags for the ELF header e_flags field. */
|
|
|
|
#define EF_SH_MACH_MASK 0x1f
|
|
#define EF_SH_UNKNOWN 0 /* For backwards compatibility. */
|
|
#define EF_SH1 1
|
|
#define EF_SH2 2
|
|
#define EF_SH3 3
|
|
#define EF_SH_HAS_DSP(flags) ((flags) & 4)
|
|
#define EF_SH_DSP 4
|
|
#define EF_SH3_DSP 5
|
|
#define EF_SH_HAS_FP(flags) ((flags) & 8)
|
|
#define EF_SH3E 8
|
|
#define EF_SH4 9
|
|
|
|
/* This one can only mix in objects from other EF_SH5 objects. */
|
|
#define EF_SH5 10
|
|
|
|
#define EF_SH_MERGE_MACH(mach1, mach2) \
|
|
(((((mach1) == EF_SH3 || (mach1) == EF_SH_UNKNOWN) && (mach2) == EF_SH_DSP) \
|
|
|| ((mach1) == EF_SH_DSP \
|
|
&& ((mach2) == EF_SH3 || (mach2) == EF_SH_UNKNOWN))) \
|
|
? EF_SH3_DSP \
|
|
: (((mach1) < EF_SH3 && (mach2) == EF_SH_UNKNOWN) \
|
|
|| ((mach2) < EF_SH3 && (mach1) == EF_SH_UNKNOWN)) \
|
|
? EF_SH3 \
|
|
: (((mach1) == EF_SH3E && (mach2) == EF_SH_UNKNOWN) \
|
|
|| ((mach2) == EF_SH3E && (mach1) == EF_SH_UNKNOWN)) \
|
|
? EF_SH4 \
|
|
: ((mach1) > (mach2) ? (mach1) : (mach2)))
|
|
|
|
/* Flags for the st_other symbol field.
|
|
Keep away from the STV_ visibility flags (bit 0..1). */
|
|
|
|
/* A reference to this symbol should by default add 1. */
|
|
#define STO_SH5_ISA32 (1 << 2)
|
|
|
|
/* Section contains only SHmedia code (no SHcompact code). */
|
|
#define SHF_SH5_ISA32 0x40000000
|
|
|
|
/* Section contains both SHmedia and SHcompact code, and possibly also
|
|
constants. */
|
|
#define SHF_SH5_ISA32_MIXED 0x20000000
|
|
|
|
/* If applied to a .cranges section, marks that the section is sorted by
|
|
increasing cr_addr values. */
|
|
#define SHT_SH5_CR_SORTED 0x80000001
|
|
|
|
/* Symbol should be handled as DataLabel (attached to global SHN_UNDEF
|
|
symbols). */
|
|
#define STT_DATALABEL STT_LOPROC
|
|
|
|
#define SH64_CRANGES_SECTION_NAME ".cranges"
|
|
enum sh64_elf_cr_type {
|
|
CRT_NONE = 0,
|
|
CRT_DATA = 1,
|
|
CRT_SH5_ISA16 = 2,
|
|
CRT_SH5_ISA32 = 3
|
|
};
|
|
|
|
/* The official definition is this:
|
|
|
|
typedef struct {
|
|
Elf32_Addr cr_addr;
|
|
Elf32_Word cr_size;
|
|
Elf32_Half cr_type;
|
|
} Elf32_CRange;
|
|
|
|
but we have no use for that exact type. Instead we use this struct for
|
|
the internal representation. */
|
|
typedef struct {
|
|
bfd_vma cr_addr;
|
|
bfd_size_type cr_size;
|
|
enum sh64_elf_cr_type cr_type;
|
|
} sh64_elf_crange;
|
|
|
|
#define SH64_CRANGE_SIZE (4 + 4 + 2)
|
|
#define SH64_CRANGE_CR_ADDR_OFFSET 0
|
|
#define SH64_CRANGE_CR_SIZE_OFFSET 4
|
|
#define SH64_CRANGE_CR_TYPE_OFFSET (4 + 4)
|
|
|
|
/* Get the contents type of an arbitrary address, or return CRT_NONE. */
|
|
extern enum sh64_elf_cr_type sh64_get_contents_type
|
|
PARAMS ((asection *, bfd_vma, sh64_elf_crange *));
|
|
|
|
/* Simpler interface.
|
|
FIXME: This seems redundant now that we export the interface above. */
|
|
extern boolean sh64_address_is_shmedia PARAMS ((asection *, bfd_vma));
|
|
|
|
/* We put this in elf_section_data (section)->tdata. */
|
|
struct sh64_section_data
|
|
{
|
|
flagword contents_flags;
|
|
|
|
/* Only used in the cranges section, but we don't have an official
|
|
backend-specific bfd field. */
|
|
bfd_size_type cranges_growth;
|
|
};
|
|
|
|
#define sh64_elf_section_data(sec) \
|
|
((struct sh64_section_data *) ((elf_section_data (sec))->tdata))
|
|
|
|
#include "elf/reloc-macros.h"
|
|
|
|
/* Relocations. */
|
|
/* Relocations 25ff are GNU extensions.
|
|
25..33 are used for relaxation and use the same constants as COFF uses. */
|
|
START_RELOC_NUMBERS (elf_sh_reloc_type)
|
|
RELOC_NUMBER (R_SH_NONE, 0)
|
|
RELOC_NUMBER (R_SH_DIR32, 1)
|
|
RELOC_NUMBER (R_SH_REL32, 2)
|
|
RELOC_NUMBER (R_SH_DIR8WPN, 3)
|
|
RELOC_NUMBER (R_SH_IND12W, 4)
|
|
RELOC_NUMBER (R_SH_DIR8WPL, 5)
|
|
RELOC_NUMBER (R_SH_DIR8WPZ, 6)
|
|
RELOC_NUMBER (R_SH_DIR8BP, 7)
|
|
RELOC_NUMBER (R_SH_DIR8W, 8)
|
|
RELOC_NUMBER (R_SH_DIR8L, 9)
|
|
FAKE_RELOC (R_SH_FIRST_INVALID_RELOC, 10)
|
|
FAKE_RELOC (R_SH_LAST_INVALID_RELOC, 24)
|
|
RELOC_NUMBER (R_SH_SWITCH16, 25)
|
|
RELOC_NUMBER (R_SH_SWITCH32, 26)
|
|
RELOC_NUMBER (R_SH_USES, 27)
|
|
RELOC_NUMBER (R_SH_COUNT, 28)
|
|
RELOC_NUMBER (R_SH_ALIGN, 29)
|
|
RELOC_NUMBER (R_SH_CODE, 30)
|
|
RELOC_NUMBER (R_SH_DATA, 31)
|
|
RELOC_NUMBER (R_SH_LABEL, 32)
|
|
RELOC_NUMBER (R_SH_SWITCH8, 33)
|
|
RELOC_NUMBER (R_SH_GNU_VTINHERIT, 34)
|
|
RELOC_NUMBER (R_SH_GNU_VTENTRY, 35)
|
|
RELOC_NUMBER (R_SH_LOOP_START, 36)
|
|
RELOC_NUMBER (R_SH_LOOP_END, 37)
|
|
FAKE_RELOC (R_SH_FIRST_INVALID_RELOC_2, 38)
|
|
FAKE_RELOC (R_SH_LAST_INVALID_RELOC_2, 44)
|
|
RELOC_NUMBER (R_SH_DIR5U, 45)
|
|
RELOC_NUMBER (R_SH_DIR6U, 46)
|
|
RELOC_NUMBER (R_SH_DIR6S, 47)
|
|
RELOC_NUMBER (R_SH_DIR10S, 48)
|
|
RELOC_NUMBER (R_SH_DIR10SW, 49)
|
|
RELOC_NUMBER (R_SH_DIR10SL, 50)
|
|
RELOC_NUMBER (R_SH_DIR10SQ, 51)
|
|
FAKE_RELOC (R_SH_FIRST_INVALID_RELOC_3, 52)
|
|
FAKE_RELOC (R_SH_LAST_INVALID_RELOC_3, 159)
|
|
RELOC_NUMBER (R_SH_GOT32, 160)
|
|
RELOC_NUMBER (R_SH_PLT32, 161)
|
|
RELOC_NUMBER (R_SH_COPY, 162)
|
|
RELOC_NUMBER (R_SH_GLOB_DAT, 163)
|
|
RELOC_NUMBER (R_SH_JMP_SLOT, 164)
|
|
RELOC_NUMBER (R_SH_RELATIVE, 165)
|
|
RELOC_NUMBER (R_SH_GOTOFF, 166)
|
|
RELOC_NUMBER (R_SH_GOTPC, 167)
|
|
RELOC_NUMBER (R_SH_GOTPLT32, 168)
|
|
RELOC_NUMBER (R_SH_GOT_LOW16, 169)
|
|
RELOC_NUMBER (R_SH_GOT_MEDLOW16, 170)
|
|
RELOC_NUMBER (R_SH_GOT_MEDHI16, 171)
|
|
RELOC_NUMBER (R_SH_GOT_HI16, 172)
|
|
RELOC_NUMBER (R_SH_GOTPLT_LOW16, 173)
|
|
RELOC_NUMBER (R_SH_GOTPLT_MEDLOW16, 174)
|
|
RELOC_NUMBER (R_SH_GOTPLT_MEDHI16, 175)
|
|
RELOC_NUMBER (R_SH_GOTPLT_HI16, 176)
|
|
RELOC_NUMBER (R_SH_PLT_LOW16, 177)
|
|
RELOC_NUMBER (R_SH_PLT_MEDLOW16, 178)
|
|
RELOC_NUMBER (R_SH_PLT_MEDHI16, 179)
|
|
RELOC_NUMBER (R_SH_PLT_HI16, 180)
|
|
RELOC_NUMBER (R_SH_GOTOFF_LOW16, 181)
|
|
RELOC_NUMBER (R_SH_GOTOFF_MEDLOW16, 182)
|
|
RELOC_NUMBER (R_SH_GOTOFF_MEDHI16, 183)
|
|
RELOC_NUMBER (R_SH_GOTOFF_HI16, 184)
|
|
RELOC_NUMBER (R_SH_GOTPC_LOW16, 185)
|
|
RELOC_NUMBER (R_SH_GOTPC_MEDLOW16, 186)
|
|
RELOC_NUMBER (R_SH_GOTPC_MEDHI16, 187)
|
|
RELOC_NUMBER (R_SH_GOTPC_HI16, 188)
|
|
RELOC_NUMBER (R_SH_GOT10BY4, 189)
|
|
RELOC_NUMBER (R_SH_GOTPLT10BY4, 190)
|
|
RELOC_NUMBER (R_SH_GOT10BY8, 191)
|
|
RELOC_NUMBER (R_SH_GOTPLT10BY8, 192)
|
|
RELOC_NUMBER (R_SH_COPY64, 193)
|
|
RELOC_NUMBER (R_SH_GLOB_DAT64, 194)
|
|
RELOC_NUMBER (R_SH_JMP_SLOT64, 195)
|
|
RELOC_NUMBER (R_SH_RELATIVE64, 196)
|
|
FAKE_RELOC (R_SH_FIRST_INVALID_RELOC_4, 197)
|
|
FAKE_RELOC (R_SH_LAST_INVALID_RELOC_4, 241)
|
|
RELOC_NUMBER (R_SH_SHMEDIA_CODE, 242)
|
|
RELOC_NUMBER (R_SH_PT_16, 243)
|
|
RELOC_NUMBER (R_SH_IMMS16, 244)
|
|
RELOC_NUMBER (R_SH_IMMU16, 245)
|
|
RELOC_NUMBER (R_SH_IMM_LOW16, 246)
|
|
RELOC_NUMBER (R_SH_IMM_LOW16_PCREL, 247)
|
|
RELOC_NUMBER (R_SH_IMM_MEDLOW16, 248)
|
|
RELOC_NUMBER (R_SH_IMM_MEDLOW16_PCREL, 249)
|
|
RELOC_NUMBER (R_SH_IMM_MEDHI16, 250)
|
|
RELOC_NUMBER (R_SH_IMM_MEDHI16_PCREL, 251)
|
|
RELOC_NUMBER (R_SH_IMM_HI16, 252)
|
|
RELOC_NUMBER (R_SH_IMM_HI16_PCREL, 253)
|
|
RELOC_NUMBER (R_SH_64, 254)
|
|
RELOC_NUMBER (R_SH_64_PCREL, 255)
|
|
END_RELOC_NUMBERS (R_SH_max)
|
|
|
|
#endif
|